30743820

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1$

素因数の和:249

約数の個数: 144

約数和(自身を含む): 102120480

約数和(自身を除く): 71376660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 85, 90, 102, 108, 135, 153, 170, 180, 197, 204, 255, 270, 289, 306, 340, 394, 459, 510, 540, 578, 591, 612, 765, 788, 867, 918, 985, 1020, 1156, 1182, 1445, 1530, 1734, 1773, 1836, 1970, 2295, 2364, 2601, 2890, 2955, 3060, 3349, 3468, 3546, 3940, 4335, 4590, 5202, 5319, 5780, 5910, 6698, 7092, 7803, 8670, 8865, 9180, 10047, 10404, 10638, 11820, 13005, 13396, 15606, 16745, 17340, 17730, 20094, 21276, 26010, 26595, 30141, 31212, 33490, 35460, 39015, 40188, 50235, 52020, 53190, 56933, 60282, 66980, 78030, 90423, 100470, 106380, 113866, 120564, 150705, 156060, 170799, 180846, 200940, 227732, 284665, 301410, 341598, 361692, 452115, 512397, 569330, 602820, 683196, 853995, 904230, 1024794, 1138660, 1537191, 1707990, 1808460, 2049588, 2561985, 3074382, 3415980, 5123970, 6148764, 7685955, 10247940, 15371910, 30743820]

約数ペア:

[(1, 30743820), (2, 15371910), (3, 10247940), (4, 7685955), (5, 6148764), (6, 5123970), (9, 3415980), (10, 3074382), (12, 2561985), (15, 2049588), (17, 1808460), (18, 1707990), (20, 1537191), (27, 1138660), (30, 1024794), (34, 904230), (36, 853995), (45, 683196), (51, 602820), (54, 569330), (60, 512397), (68, 452115), (85, 361692), (90, 341598), (102, 301410), (108, 284665), (135, 227732), (153, 200940), (170, 180846), (180, 170799), (197, 156060), (204, 150705), (255, 120564), (270, 113866), (289, 106380), (306, 100470), (340, 90423), (394, 78030), (459, 66980), (510, 60282), (540, 56933), (578, 53190), (591, 52020), (612, 50235), (765, 40188), (788, 39015), (867, 35460), (918, 33490), (985, 31212), (1020, 30141), (1156, 26595), (1182, 26010), (1445, 21276), (1530, 20094), (1734, 17730), (1773, 17340), (1836, 16745), (1970, 15606), (2295, 13396), (2364, 13005), (2601, 11820), (2890, 10638), (2955, 10404), (3060, 10047), (3349, 9180), (3468, 8865), (3546, 8670), (3940, 7803), (4335, 7092), (4590, 6698), (5202, 5910), (5319, 5780)]